Add missing [deprecate = true] to sync proto files

Bug: None
Change-Id: I044730d17ee2f23338c6ca8859c96a9cc7d92b6e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2312701
Commit-Queue: Victor Vianna <victorvianna@google.com>
Reviewed-by: Marc Treib <treib@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791194}

components/sync/protocol/app_specifics.proto

@@ -25,7 +25,7 @@ message AppNotificationSettings {
   // The value for this field will start out false and will be set
   // to true when the user accepts receiving notifications for the
   // first time and then it will always remain true.
-  optional bool initial_setup_done = 1;
+  optional bool initial_setup_done = 1 [deprecated = true];
 
   // Whether or not the user has disabled notifications.
   optional bool disabled = 2;

components/sync/protocol/gaia_password_reuse.proto

@@ -115,5 +115,5 @@ message GaiaPasswordReuse {
     }
     optional EventTrigger event_trigger = 1;
   }
-  optional PasswordCaptured password_captured = 4;
+  optional PasswordCaptured password_captured = 4 [deprecated = true];
 }

components/sync/protocol/password_specifics.proto

@@ -80,11 +80,11 @@ message PasswordSpecificsData {
   // Deprecated: http://crbug.com/413020
   // True if the credential was saved for a HTTPS session with a valid SSL cert.
   // Ignored for Android apps.
-  optional bool ssl_valid = 9;
+  optional bool ssl_valid = 9 [deprecated = true];
 
   // True for the last credential used for logging in on a given site.
   // Deprecated in M81.
-  optional bool preferred = 10;
+  optional bool preferred = 10 [deprecated = true];
 
   // Time when the credential was created. Amount of microseconds since 1601.
   optional int64 date_created = 11;

components/sync/protocol/search_engine_specifics.proto

@@ -49,7 +49,7 @@ message SearchEngineSpecifics {
   // DEPRECATED: Whether to autogenerate a keyword for the search engine or not.
   // Do not write to this field in the future.  We preserve this for now so we
   // can read the field in order to migrate existing data that sets this bit.
-  optional bool autogenerate_keyword = 12;
+  optional bool autogenerate_keyword = 12 [deprecated = true];
   // ID 13 reserved - previously used by |logo_id|, now deprecated.
   // Obsolete field. This used to represent whether or not this search engine
   // entry was created automatically by an administrator via group policy. This

components/sync/protocol/unique_position.proto

@@ -53,7 +53,7 @@ message UniquePosition {
   // The uncompressed string of bytes representing the position.
   //
   // Deprecated.  See history note above.
-  optional bytes value = 1;
+  optional bytes value = 1 [deprecated = true];
 
   // The client may choose to write a compressed position to this field instead
   // of populating the 'value' above.  If it chooses to use compression, the
@@ -63,8 +63,8 @@ message UniquePosition {
   // uncompressed_length field.
   //
   // Deprecated.  See history note above.
-  optional bytes compressed_value = 2;
-  optional uint64 uncompressed_length = 3;
+  optional bytes compressed_value = 2 [deprecated = true];
+  optional uint64 uncompressed_length = 3 [deprecated = true];
 
   // This encoding uses compression scheme designed especially for unique
   // positions.  It has the property that X < Y precisely when Compressed(X) <